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authorLennert Buytenhek <buytenh@wantstofly.org>2008-08-24 07:19:48 +0200
committerLennert Buytenhek <buytenh@marvell.com>2008-09-05 06:33:57 +0200
commit3a499481c167977368a7e7cae8ea1ff2a99518a0 (patch)
treea4aa88c685c32819b5c5e15c110e1a77934fc0d7 /drivers/net/mv643xx_eth.c
parentb98738412372d6bcba1548b6b439f49023e25a34 (diff)
downloadop-kernel-dev-3a499481c167977368a7e7cae8ea1ff2a99518a0.zip
op-kernel-dev-3a499481c167977368a7e7cae8ea1ff2a99518a0.tar.gz
mv643xx_eth: fix receive buffer DMA unmapping
When tearing down a DMA mapping for a receive buffer, we should pass dma_unmap_single() the exact same address that dma_map_single() gave us when we originally set up the mapping. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Diffstat (limited to 'drivers/net/mv643xx_eth.c')
-rw-r--r--drivers/net/mv643xx_eth.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index deee66d..ad2ae93 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -559,7 +559,7 @@ static int rxq_process(struct rx_queue *rxq, int budget)
spin_unlock_irqrestore(&mp->lock, flags);
- dma_unmap_single(NULL, rx_desc->buf_ptr + 2,
+ dma_unmap_single(NULL, rx_desc->buf_ptr,
rx_desc->buf_size, DMA_FROM_DEVICE);
rxq->rx_desc_count--;
rx++;
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